Properties

Label 2-38-1.1-c3-0-4
Degree $2$
Conductor $38$
Sign $-1$
Analytic cond. $2.24207$
Root an. cond. $1.49735$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s − 2·3-s + 4·4-s − 9·5-s + 4·6-s − 31·7-s − 8·8-s − 23·9-s + 18·10-s + 57·11-s − 8·12-s − 52·13-s + 62·14-s + 18·15-s + 16·16-s + 69·17-s + 46·18-s + 19·19-s − 36·20-s + 62·21-s − 114·22-s − 72·23-s + 16·24-s − 44·25-s + 104·26-s + 100·27-s − 124·28-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.384·3-s + 1/2·4-s − 0.804·5-s + 0.272·6-s − 1.67·7-s − 0.353·8-s − 0.851·9-s + 0.569·10-s + 1.56·11-s − 0.192·12-s − 1.10·13-s + 1.18·14-s + 0.309·15-s + 1/4·16-s + 0.984·17-s + 0.602·18-s + 0.229·19-s − 0.402·20-s + 0.644·21-s − 1.10·22-s − 0.652·23-s + 0.136·24-s − 0.351·25-s + 0.784·26-s + 0.712·27-s − 0.836·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $-1$
Analytic conductor: \(2.24207\)
Root analytic conductor: \(1.49735\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 38,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + p T \)
19 \( 1 - p T \)
good3 \( 1 + 2 T + p^{3} T^{2} \)
5 \( 1 + 9 T + p^{3} T^{2} \)
7 \( 1 + 31 T + p^{3} T^{2} \)
11 \( 1 - 57 T + p^{3} T^{2} \)
13 \( 1 + 4 p T + p^{3} T^{2} \)
17 \( 1 - 69 T + p^{3} T^{2} \)
23 \( 1 + 72 T + p^{3} T^{2} \)
29 \( 1 + 150 T + p^{3} T^{2} \)
31 \( 1 - 32 T + p^{3} T^{2} \)
37 \( 1 + 226 T + p^{3} T^{2} \)
41 \( 1 + 258 T + p^{3} T^{2} \)
43 \( 1 + 67 T + p^{3} T^{2} \)
47 \( 1 - 579 T + p^{3} T^{2} \)
53 \( 1 + 432 T + p^{3} T^{2} \)
59 \( 1 + 330 T + p^{3} T^{2} \)
61 \( 1 + 13 T + p^{3} T^{2} \)
67 \( 1 + 856 T + p^{3} T^{2} \)
71 \( 1 - 642 T + p^{3} T^{2} \)
73 \( 1 + 487 T + p^{3} T^{2} \)
79 \( 1 + 700 T + p^{3} T^{2} \)
83 \( 1 + 12 T + p^{3} T^{2} \)
89 \( 1 + 600 T + p^{3} T^{2} \)
97 \( 1 - 1424 T + p^{3} T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−15.54940433550039781248905296178, −14.23296422964362277452297025381, −12.28910345705112146395900577343, −11.74116232900522629401248886174, −10.05869653671102961037539039729, −9.040103969382764092311668381850, −7.34057999284608864934117657958, −6.07862671895595820014035289771, −3.44697715328199501815487651605, 0, 3.44697715328199501815487651605, 6.07862671895595820014035289771, 7.34057999284608864934117657958, 9.040103969382764092311668381850, 10.05869653671102961037539039729, 11.74116232900522629401248886174, 12.28910345705112146395900577343, 14.23296422964362277452297025381, 15.54940433550039781248905296178

Graph of the $Z$-function along the critical line